Forecast Details for Donnelly, ID

Recent Locations: Waynesboro, VA Cologne, MN Donnelly, ID

Today: Mostly sunny, with a high near 34. Calm wind becoming south around 6 mph in the afternoon.

Tonight: Mostly cloudy, with a low around 16. Southeast wind 5 to 7 mph.

Sunday: Sunny, with a high near 40. South southeast wind 5 to 8 mph, with gusts as high as 20 mph.

Sunday Night: Increasing clouds, with a low around 23. South southeast wind 3 to 7 mph.

Monday: A slight chance of snow before 11am, then a slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm. Snow level rising to 5900 feet in the afternoon. Mostly cloudy, with a high near 40. Calm wind becoming south southwest 5 to 9 mph in the morning. Chance of precipitation is 20%.

Monday Night: Rain, mainly after 11pm. Snow level 5900 feet. Low around 28. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Tuesday: Rain. Snow level 6000 feet. High near 37. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Tuesday Night: Rain and snow, becoming all snow after 11pm. Patchy fog after 2am. Snow level 5900 feet lowering to 4900 feet after midnight . Low around 19. Chance of precipitation is 80%.

Wednesday: A 50 percent chance of snow. Patchy fog before 8am. Otherwise, partly sunny, with a high near 34.

Wednesday Night: A 20 percent chance of snow. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 14.

Thursday: A 30 percent chance of snow. Patchy fog. Otherwise, partly sunny, with a high near 38.

Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 18.

Friday: A 50 percent chance of snow. Partly sunny, with a high near 39.

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Current U.S. National Radar--Current

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National Weather Forecast--Current

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National Weather Forecast for Tomorrow

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North America Water Vapor (Moisture)

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Weather Topic: What are Mammatus Clouds?

Home - Education - Cloud Types - Mammatus Clouds

Mammatus Clouds Next Topic: Nimbostratus Clouds

A mammatus cloud is a cloud with a unique feature which resembles a web of pouches hanging along the base of the cloud.

In the United States, mammatus clouds tend to form in the warmer months, commonly in the Midwest and eastern regions.

While they usually form at the bottom of a cumulonimbis cloud, they can also form under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds warn that severe weather is close.

Next Topic: Nimbostratus Clouds

Weather Topic: What is Precipitation?

Home - Education - Precipitation - Precipitation

Next Topic: Rain

Precipitation can refer to many different forms of water that may fall from clouds. Precipitation occurs after a cloud has become saturated to the point where its water particles are more dense than the air below the cloud.

In most cases, precipitation will reach the ground, but it is not uncommon for precipitation to evaporate before it reaches the earth's surface. When precipitation evaporates before it contacts the ground it is called Virga. Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog and mist are not considered precipitation because the water vapor which constitutes them isn't dense enough to fall to the ground.

Next Topic: Rain